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<a href="cp__rotations_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2010-2011, NVIDIA Corporation</span>
<a name="l00003"></a>00003 <span class="comment"> * All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"> *   * Redistributions of source code must retain the above copyright</span>
<a name="l00008"></a>00008 <span class="comment"> *     notice, this list of conditions and the following disclaimer.</span>
<a name="l00009"></a>00009 <span class="comment"> *   * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00010"></a>00010 <span class="comment"> *     notice, this list of conditions and the following disclaimer in the</span>
<a name="l00011"></a>00011 <span class="comment"> *     documentation and/or other materials provided with the distribution.</span>
<a name="l00012"></a>00012 <span class="comment"> *   * Neither the name of NVIDIA Corporation nor the</span>
<a name="l00013"></a>00013 <span class="comment"> *     names of its contributors may be used to endorse or promote products</span>
<a name="l00014"></a>00014 <span class="comment"> *     derived from this software without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND</span>
<a name="l00017"></a>00017 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
<a name="l00018"></a>00018 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span>
<a name="l00019"></a>00019 <span class="comment"> * DISCLAIMED. IN NO EVENT SHALL &lt;COPYRIGHT HOLDER&gt; BE LIABLE FOR ANY</span>
<a name="l00020"></a>00020 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span>
<a name="l00021"></a>00021 <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span>
<a name="l00022"></a>00022 <span class="comment"> * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span>
<a name="l00023"></a>00023 <span class="comment"> * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00024"></a>00024 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00025"></a>00025 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00026"></a>00026 <span class="comment"> */</span>
<a name="l00027"></a>00027 
<a name="l00032"></a>00032 <span class="preprocessor">#pragma once</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;nih/basic/numbers.h&gt;</span>
<a name="l00035"></a>00035 
<a name="l00036"></a>00036 <span class="keyword">namespace </span>nih {
<a name="l00037"></a>00037 
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Generator&gt;
<a name="l00051"></a><a class="code" href="structnih_1_1_c_p__rotator.html">00051</a> <span class="keyword">struct </span><a class="code" href="structnih_1_1_c_p__rotator.html">CP_rotator</a>
<a name="l00052"></a>00052 {
<a name="l00059"></a><a class="code" href="structnih_1_1_c_p__rotator.html#a9868e43041aa07b1c8d435830aca854b">00059</a>     NIH_HOST_DEVICE <a class="code" href="structnih_1_1_c_p__rotator.html#a9868e43041aa07b1c8d435830aca854b">CP_rotator</a>(Generator&amp; gen, <span class="keyword">const</span> <span class="keywordtype">float</span>* rot, uint32 size, uint32 dim = 0) :
<a name="l00060"></a>00060         m_gen( gen ), m_rot( rot ), m_size( size ), m_dim( dim ) {}
<a name="l00061"></a>00061 
<a name="l00064"></a><a class="code" href="structnih_1_1_c_p__rotator.html#a4572683851e705acd2063988100c2e01">00064</a>         <span class="keyword">inline</span> NIH_HOST_DEVICE <span class="keywordtype">float</span> <a class="code" href="structnih_1_1_c_p__rotator.html#a4572683851e705acd2063988100c2e01">next</a>()
<a name="l00065"></a>00065         {
<a name="l00066"></a>00066         <span class="keywordflow">return</span> <a class="code" href="group__vectors.html#ga278bc40e135ff21dd4c80375feccc703" title="compute the modulus of a vector">nih::mod</a>( m_gen.next() + m_rot[m_dim++ &amp; (m_size-1)], 1.0f );
<a name="l00067"></a>00067     }
<a name="l00071"></a><a class="code" href="structnih_1_1_c_p__rotator.html#a4af1ac36b0cc5c16f880d3e43a7d0ebd">00071</a>         <span class="keyword">inline</span> NIH_HOST_DEVICE <span class="keywordtype">float</span> <a class="code" href="structnih_1_1_c_p__rotator.html#a4af1ac36b0cc5c16f880d3e43a7d0ebd">density</a>(<span class="keyword">const</span> <span class="keywordtype">float</span> x)<span class="keyword"> const</span>
<a name="l00072"></a>00072 <span class="keyword">        </span>{
<a name="l00073"></a>00073         <span class="keywordflow">return</span> 1.0f;
<a name="l00074"></a>00074     }
<a name="l00075"></a>00075 
<a name="l00076"></a>00076     Generator&amp;        m_gen;
<a name="l00077"></a>00077     <span class="keyword">const</span> <span class="keywordtype">float</span>*      m_rot;
<a name="l00078"></a>00078     uint32            m_size;
<a name="l00079"></a>00079     uint32            m_dim;
<a name="l00080"></a>00080 };
<a name="l00081"></a>00081 
<a name="l00086"></a>00086 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Sample_sequence&gt;
<a name="l00087"></a><a class="code" href="structnih_1_1_c_p__rotated__sequence.html">00087</a> <span class="keyword">struct </span><a class="code" href="structnih_1_1_c_p__rotated__sequence.html">CP_rotated_sequence</a>
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089     <span class="keyword">typedef</span> <a class="code" href="structnih_1_1_c_p__rotator.html">CP_rotator&lt;typename Sample_sequence::Sampler_type&gt;</a> <a class="code" href="structnih_1_1_c_p__rotator.html">Sampler_type</a>;
<a name="l00090"></a>00090 
<a name="l00097"></a><a class="code" href="structnih_1_1_c_p__rotated__sequence.html#a660231532d529c38aeb9827ea20d5637">00097</a>     NIH_HOST_DEVICE <a class="code" href="structnih_1_1_c_p__rotated__sequence.html#a660231532d529c38aeb9827ea20d5637">CP_rotated_sequence</a>(Sample_sequence&amp; sequence, <span class="keyword">const</span> uint32 dims, <span class="keyword">const</span> <span class="keywordtype">float</span>* rot, uint32 size) :
<a name="l00098"></a>00098         m_sequence( sequence ), m_rot( rot ), m_size( size ), m_dims( dims ) {}
<a name="l00099"></a>00099 
<a name="l00104"></a><a class="code" href="structnih_1_1_c_p__rotated__sequence.html#a825ebb2e498eabafb7313bfc07e28b74">00104</a>     <a class="code" href="structnih_1_1_c_p__rotator.html">Sampler_type</a> NIH_HOST_DEVICE <a class="code" href="structnih_1_1_c_p__rotated__sequence.html#a825ebb2e498eabafb7313bfc07e28b74">instance</a>(<span class="keyword">const</span> uint32 index, <span class="keyword">const</span> uint32 copy)<span class="keyword"> const</span>
<a name="l00105"></a>00105 <span class="keyword">    </span>{
<a name="l00106"></a>00106         <span class="keywordflow">return</span> <a class="code" href="structnih_1_1_c_p__rotator.html">Sampler_type</a>( m_sequence.instance( index, copy ), m_rot, m_dims * m_size, copy * m_dims );
<a name="l00107"></a>00107     }
<a name="l00108"></a>00108 
<a name="l00109"></a>00109     Sample_sequence&amp;      m_sequence;
<a name="l00110"></a>00110     <span class="keyword">const</span> <span class="keywordtype">float</span>*          m_rot;
<a name="l00111"></a>00111     uint32                m_size;
<a name="l00112"></a>00112     uint32                m_dims;
<a name="l00113"></a>00113 };
<a name="l00114"></a>00114 
<a name="l00118"></a>00118 } <span class="comment">// namespace nih</span>
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